<form action="http://localhost:8080/topicInfoManager/addTopicInfo.action" method="post" enctype="multipart/form-data" >
    	<input type="file" name="myfiles"  />
    	<input type="file" name="myfiles" />
    	<input type="hidden" name="imgUrl" value="321412421">
    	<input type="submit"  />
    </form>
